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GENETICS OF LUPINUS VII. OUTCROSSING, AUTOFERTILITY, AND VARIABILITY IN NATURAL POPULATIONS OF THE NANUS GROUP
Author(s) -
Harding James,
Mankinen C. B.,
Elliott M. H.
Publication year - 1974
Publication title -
taxon
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.819
H-Index - 81
eISSN - 1996-8175
pISSN - 0040-0262
DOI - 10.2307/1218434
Subject(s) - outcrossing , subspecies , biology , zoology , botany , pollen
Summary Outcrossing rates in natural populations of Lupinus nanus Dougl. have been found to vary from nearly zero to nearly 100 percent (Harding and Horovitz, 1969; Harding, 1970). These studies were based primarily on a group of northern populations of subspecies apricus (Elliott, Harding, and Mankinen; paper VI). The purposes of this paper are (1) to report estimates of outcrossing for the other subspecies of L. nanus , (2) to report estimates of outcrossing for the closely related species, L. bicolor, L. affinis, L. polycarpus , and L. pachylobus , (3) to discuss the relationship between these estimates of outcrossing and autofertility, and (4) to discuss the relationship between outcrossing and phenotypic and genotypic variability maintained in populations.

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